DIFFERENTIALlBrS SECVNUl GKAD. i8p 



His conditionibus (atisfit, fi fiimatur : 



L::=:o; K=i; Mzro; et ^ — -aax'' 

 vnde fit: Rrz>'^; Q — o; Pn:-3«;t;j% 

 Quare nofter multipiicator erit : 



et integrale quaefitum % 



— naxydx^dy-^-ydj^-^-aj^dx^-^-aax^dx^^zzCd x*» 

 IV, Sit lam wiziz, vt aequatio noftra fiat 



ac fitisfieri debet huic aequationi r 



Erit ergo^ Nz:r/z/MA:iji:, ac ftatui potefl: Li=o ; K:=o j 

 Mzzi, vnde fit \>\—\axx. Hinc vero fit : 



R:=o; Q— o; ?=>»= 

 it» tt multiplicator fiiturus fit j'</a7» ct integrale f 

 jjfdx^dj—^axxdx^^iCdx^ feu 

 sjjdj—axxdxzzCdx^ 



Coroll. I. 



32. Cafus ergo vltimus, quo miZ2, eftomnUirap 

 facillimus , cum per multiplicatorem adeo primi ordi'- 

 *is confici poflTit, quin primo intuitu; aequationis 



yyddy-{-iydy*—axdx* 

 inttgXTilQ yydy^kaxxdx-^-Cdx patet. Cafus autem 

 primuS €t fecundus, quibus eft wtii— i et »2:^-1 per 



Aa 3 n™"l'i- 



